| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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| 04/29/1993 | DE4200963C1 Appts. for sepg. mixt. of small pieces of metals - comprises rotatable furnace with chargeable arrangement at one end and with perforations in outer wall to allow lowest m.pt. metal to escape |
| 04/28/1993 | EP0539352A1 Method of disposing of organic and inorganic substances |
| 04/28/1993 | CN1071464A Process of sintering iron oxide-containing materials on sintering machine |
| 04/27/1993 | US5205857 Placing object in enclosed atmosphere, heating and evacuating to evaporate and recover adhered substance |
| 04/25/1993 | CA2081257A1 Method of disposing of organic and inorganic substances and a plant for carrying out the method |
| 04/21/1993 | EP0538168A1 Process for the recovery of non ferrous metal values from pyrite cinders |
| 04/21/1993 | CN1071205A Process for preparation of rareearth ferro-silicon alloy by carbon thermal reduction to ore bearing O,C and Ce |
| 04/15/1993 | WO1993006989A1 Device for making briquettes |
| 04/15/1993 | WO1993006952A2 Process for removing heavy metals from soils |
| 04/15/1993 | CA2119021A1 Process for removing heavy metals from soil |
| 04/13/1993 | US5201940 Pre-heating and pre-reduction of a metal oxide |
| 04/13/1993 | CA1315978C Continuous preheat charging system and method |
| 04/07/1993 | EP0535727A1 Method for sintering iron oxide containing material on a sintering machine |
| 04/07/1993 | EP0535699A1 Method for mixing and granulating powder materials |
| 04/07/1993 | EP0535260A1 Apparatus for separating impurities from impurities containing metals |
| 04/07/1993 | CN1070690A Method to make mud balls for dedusting steel-smelting converter |
| 04/04/1993 | CA2079766A1 Process of sintering iron oxide-containing materials on a sintering machine |
| 03/31/1993 | EP0534243A1 A method and apparatus for treating gases and particulate solids in a fluid bed |
| 03/31/1993 | CN1070429A Method for manufacturing magn sium manganese intermediate alloy |
| 03/31/1993 | CN1070426A Production of steel-smelting metal raw materials by use of pig iron solid decarbonization method |
| 03/30/1993 | US5198020 Adding calcium, iron and/or barium to phosphorous component and reducing zinc |
| 03/26/1993 | CA2079202A1 A method and apparatus for treating gases and perticulate solide in a fluid bed |
| 03/23/1993 | US5196154 Apparatus for the treatment of metal-laminated plastics scrap |
| 03/23/1993 | US5196072 Carbon dioxide and oxygen, pollution control |
| 03/18/1993 | WO1993004781A1 Method for dry concentration of metal in a metal containing ore or slag |
| 03/18/1993 | WO1993003190A3 Ore pelletisation |
| 03/18/1993 | WO1993003189A3 Ore pelletisation |
| 03/18/1993 | DE4130924A1 Device for disposal of oil-contaminated objects - uses shredding and centrifuging of waste material to remove residual oil, which is collected in a receiver |
| 03/17/1993 | CN1070005A Process for reclaiming and reusing iron alloy powder material |
| 03/10/1993 | CN1069771A Process of raw feed for blast furnace made from waste in production of sulphuric acid |
| 03/09/1993 | CA1314150C Method and apparatus for beneficiating ores |
| 03/04/1993 | DE4115920A1 Verfahren und vorrichtung zur reinigung koerniger materialien von fettigen substanzen, insbesondere oel Method and device for cleaning granular material of fatty substances, in particular oel |
| 02/23/1993 | US5188658 Cracking the agglomerates of carbonaceous binder and zinc oxide dust furnace to form slag phase, liquid metal phase and gas phase by condensation |
| 02/18/1993 | WO1993003190A2 Ore pelletisation |
| 02/18/1993 | WO1993003189A2 Ore pelletisation |
| 02/17/1993 | EP0527388A2 Equipment for deoling swarf resulting from machining operations |
| 02/16/1993 | US5186915 Heap leaching agglomeration and detoxification |
| 02/16/1993 | US5186742 Method and composition for use in recycling metal containing furnace dust |
| 02/16/1993 | US5186741 Direct reduction process in a rotary hearth furnace |
| 02/16/1993 | US5186740 Method for preheating scrap iron by pyrolysis of resinous residues contained therein, with total recovery of their energy content and improvement of the steelmaking cycle |
| 02/16/1993 | US5186622 Circulating heated air of reduced oxygen to volatilize coating from aluminum scrap |
| 02/10/1993 | EP0526536A1 Pelletisation process |
| 02/04/1993 | WO1993001898A1 Process for continuous treatment of dirty small pieces |
| 02/03/1993 | EP0526446A2 Process for reducing harmful emissions in sintering processes |
| 01/27/1993 | EP0524396A2 Method and device for recycling scrap of appliances |
| 01/21/1993 | DE4123626A1 Reconditioning metallurgical residues with reduced installation costs - involves agglomeration or pelleting of residues, supplying to counted-flow melting unit with dust filter, heating and drying, etc. |
| 01/20/1993 | EP0523858A1 Heat processing apparatus |
| 01/19/1993 | US5180421 Method and apparatus for recovering useful products from waste streams |
| 01/13/1993 | EP0522335A2 Method for the removal of components from printed circuit boards |
| 01/13/1993 | EP0522331A2 Disposal of contaminants present in scrapped auto-mobiles or apparatuses |
| 01/13/1993 | CA2072778A1 Disposal method for organic and inorganic nonmetallic ancillary materials from used vehicles, used appliances and the like |
| 01/12/1993 | US5178666 Low temperature thermal upgrading of lateritic ores |
| 01/07/1993 | WO1993000450A1 Heat processing apparatus |
| 01/07/1993 | WO1993000449A1 Treatment of automobile shredder residue by vacuum pyrolysis |
| 01/07/1993 | EP0521844A1 Process for the energetic utilization of the waste from shredded scrap |
| 01/05/1993 | US5175943 Solids feed system and method for feeding fluidized beds |
| 12/30/1992 | EP0520524A1 Removal of zinc from phosphating sludges |
| 12/29/1992 | CA2072512A1 Method and apparatus for treatment of oil contaminated filings of magnesium and magnesium alloys |
| 12/23/1992 | WO1992022779A1 Solids feed system and method for feeding fluidized beds |
| 12/23/1992 | EP0518885A1 Agglomeration process utilizing emulsion |
| 12/23/1992 | CA2110512A1 Solids feed system and method for feeding fluidized beds |
| 12/16/1992 | EP0518776A1 Substitute combustibles and method of manufacturing them from non-metallic compounds obtained by car crushing |
| 12/15/1992 | US5171781 Polymeric compositions |
| 12/15/1992 | US5171361 Mixed with water dispersable gums, pectins, vinyl and acrylic polymers and cellulose derivatives; iron ores such as taconite |
| 12/15/1992 | US5171359 With potassium refractory halide salt for wetting and dissolving |
| 12/08/1992 | US5169615 Acidifying slurry containing metal cyanide complex, then treating with sulfide, basification to purge hydrogen cyanide; recovering precious metals |
| 12/08/1992 | US5169434 Method for manufacturing agglomerates of sintered pellets |
| 11/26/1992 | WO1992020452A1 Process and device for cleaning fatty substances, especially oil, from granular materials |
| 11/26/1992 | DE4217081A1 Recovering plated metal from steel scrap - by vaporising organic material prior to vaporising plated metal |
| 11/25/1992 | CN1066476A Low aluminium silico-aluminum alloy and prodn. technology thereof |
| 11/25/1992 | CN1019204B Recovery and utilization method of electric furnace powder dust |
| 11/12/1992 | WO1992019535A1 Process for producing agglomerates from dust originating from thermal treatment of materials containing alumina |
| 11/04/1992 | CN1018933B Cold-consolidation and agglomeration technology for loose powder material |
| 11/04/1992 | CN1018932B High-temp chlorination method for refractory mineral in tin ore |
| 10/29/1992 | WO1992018249A1 The recovery of a valuable species from an ore |
| 10/28/1992 | EP0511195A1 Process for continuous melting of shredded scrap and mixed scrap |
| 10/28/1992 | EP0511194A1 Process for melting of scrap and installation for performing said process |
| 10/28/1992 | EP0511121A1 Desulfurisation agent for pig iron, comprising calcium carbide and an organic binder |
| 10/28/1992 | EP0510842A2 Metallurgical fluxes |
| 10/26/1992 | CA2067067A1 Metallurgical fluxes |
| 10/25/1992 | CA2041218A1 Method of agglomerating mineral ore concentrate |
| 10/21/1992 | CN2119630U Pellet mini-experimental roaster |
| 10/14/1992 | EP0508589A1 Method and apparatus for recovering useful products from waste streams |
| 10/14/1992 | EP0508542A2 Process for treating ore having recoverable metal values including arsenic containing components |
| 10/14/1992 | EP0508166A2 Direct reduction process and apparatus |
| 10/06/1992 | CA1308262C Method and apparatus for reclaiming metal values from electric arc furnace flue dust and sludge and rendering residual solids recyclable or non-hazardous |
| 09/24/1992 | DE4109396A1 Prodn. of iron ore pellets, useful in metallurgical industry - comprises recirculating cover elements protecting the grate structure from heat |
| 09/23/1992 | EP0504502A1 Process and apparatus for the treatment of waste containing noxious substances |
| 09/22/1992 | US5148687 Cooling apparatus for bulk material |
| 09/21/1992 | CA2056194A1 Process and device for cleaning waste materials containing harmful substances |
| 09/15/1992 | US5147554 Process for treating wastes from the machining of ferromagnetic materials |
| 09/15/1992 | US5147452 Method of agglomerating mineral ore concentrate |
| 09/15/1992 | CA1307396C Charging material preheater for preheating charging material for a metallurgical smelting unit |
| 09/12/1992 | CA2062637A1 Method and apparatus for recovering useful products from waste streams |
| 09/09/1992 | EP0501967A1 Compacting scrap metal in a tube for recycling. |
| 09/09/1992 | EP0501966A1 Recycling scrap metal. |
| 09/07/1992 | CA2062115A1 Cleaning process for radioactive machine shop turnings |
| 09/03/1992 | WO1992014849A1 Process and apparatus for de-oiling mill scale waste materials |
| 09/02/1992 | EP0501542A1 Method for roasting refractory gold ores |
| 09/02/1992 | CN1064108A Pelletizing technology for sintering mixed materials by using liquid additive |